Get rid of slow repaint objects and main thread scrolling reasons.

sky/engine/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 124 matching lines @@
 }
 
 ScrollingCoordinator* Page::scrollingCoordinator()
 {
     if (!m_scrollingCoordinator)
         m_scrollingCoordinator = ScrollingCoordinator::create(this);
 
     return m_scrollingCoordinator.get();
 }
 
-String Page::mainThreadScrollingReasonsAsText()
-{
-    if (ScrollingCoordinator* scrollingCoordinator = this->scrollingCoordinator())
-        return scrollingCoordinator->mainThreadScrollingReasonsAsText();
-
-    return String();
-}
-
 PassRefPtr<ClientRectList> Page::nonFastScrollableRects(const LocalFrame* frame)
 {
     if (mainFrame()->document())
         mainFrame()->document()->updateLayout();
 
     Vector<IntRect> rects;
     if (ScrollingCoordinator* scrollingCoordinator = this->scrollingCoordinator())
         rects = scrollingCoordinator->computeShouldHandleScrollGestureOnMainThreadRegion(frame, IntPoint()).rects();
 
     Vector<FloatQuad> quads(rects.size());
@@ skipping 223 matching lines @@
     , editorClient(0)
     , spellCheckerClient(0)
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 } // namespace blink